The TE Connectivity / Alcoswitch Brand part MSP103C004 is a high-quality push button switch that features a momentary contact and a single-pole, single-throw (SPST) configuration. It has a round plunger design and is capable of handling up to 3A and 125VAC. The switch is panel mountable and comes in a loose piece packaging, making it easy to install and integrate into various applications. The wire lug connection provides a secure and reliable electrical connection. Overall, the MSP103C004 offers excellent performance and durability, making it suitable for a wide range of industrial and commercial applications.